﻿//----------------------------------------------
//            NGUI: Next-Gen UI kit
// Copyright © 2011-2012 Tasharen Entertainment
//----------------------------------------------

using UnityEngine;
using System.Collections;

/// <summary>
/// Simple example script of how a button can be scaled visibly when the mouse hovers over it or it gets pressed.
/// </summary>

[AddComponentMenu("NGUI/Interaction/Button Scale")]
public class UIButtonScale : MonoBehaviour
{
	public Transform tweenTarget;
	public Vector3 hover = new Vector3(1.1f, 1.1f, 1.1f);
	public Vector3 pressed = new Vector3(1.05f, 1.05f, 1.05f);
	public float duration = 0.2f;

	public Vector3 autohover = new Vector3(1.5f, 1.5f, 1.5f);
	
	Vector3 mScale;
	bool mInitDone = false;

	void Init ()
	{
		mInitDone = true;
		if (tweenTarget == null) tweenTarget = transform;
		mScale = tweenTarget.localScale;
	}

	void OnPress (bool isPressed)
	{
		if (enabled)
		{
			if (!mInitDone) Init();
			TweenScale.Begin(tweenTarget.gameObject, duration, isPressed ? Vector3.Scale(mScale, pressed) : mScale).method = UITweener.Method.EaseInOut;
		}
	}

	void OnHover (bool isOver)
	{
		if (enabled)
		{
			if (!mInitDone) Init();
			TweenScale.Begin(tweenTarget.gameObject, duration, isOver ? Vector3.Scale(mScale, hover) : mScale).method = UITweener.Method.EaseInOut;
		}
	}
	
	//justeen
	public IEnumerator OnChangeScale (bool isPressed)
	{
		float endTime	= 0.3f;
		float startTime = 0.0f;
		
		if (!mInitDone) Init();
		
		if (enabled) 
		{
			while ( endTime > startTime )
			{
				startTime += Time.deltaTime;
				TweenScale.Begin(tweenTarget.gameObject, duration, Vector3.Scale(mScale, autohover)).method = UITweener.Method.EaseInOut;
				yield return 0;
			}
				
			TweenScale.Begin(tweenTarget.gameObject, duration, mScale).method = UITweener.Method.EaseInOut;
		
		}
	}

}